Search a number
-
+
48469821 = 316156607
BaseRepresentation
bin1011100011100…
…1011100111101
310101012112002120
42320321130331
544402013241
64450513153
71125662301
oct270713475
9111175076
1048469821
11253a6104
12142957b9
13a070a8a
146619d01
1543c6666
hex2e3973d

48469821 has 4 divisors (see below), whose sum is σ = 64626432. Its totient is φ = 32313212.

The previous prime is 48469801. The next prime is 48469847. The reversal of 48469821 is 12896484.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48469821 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48469801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8078301 + ... + 8078306.

It is an arithmetic number, because the mean of its divisors is an integer number (16156608).

Almost surely, 248469821 is an apocalyptic number.

It is an amenable number.

48469821 is a deficient number, since it is larger than the sum of its proper divisors (16156611).

48469821 is a wasteful number, since it uses less digits than its factorization.

48469821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16156610.

The product of its digits is 110592, while the sum is 42.

The square root of 48469821 is about 6962.0270755004. The cubic root of 48469821 is about 364.6059950547.

The spelling of 48469821 in words is "forty-eight million, four hundred sixty-nine thousand, eight hundred twenty-one".

Divisors: 1 3 16156607 48469821